97 lines
2.2 KiB
C#
97 lines
2.2 KiB
C#
using System;
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using System.IO;
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namespace UnitTestProject.RefVm
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{
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internal static class VmPosParser // \u0006\u2006
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{
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// Token: 0x0600016A RID: 362 RVA: 0x00007810 File Offset: 0x00005A10
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public static byte[] Parse(string pos) // dest
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{
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if (pos == null)
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{
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throw new Exception();
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}
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var memoryStream = new MemoryStream(pos.Length * 4 / 5);
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byte[] result;
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using(memoryStream)
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{
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var cnt = 0;
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var val = 0u;
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foreach (var c in pos)
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{
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if (c == 'z' && cnt == 0)
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{
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WriteDwPart(memoryStream, val, 0);
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}
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else
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{
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if (c< '!' || c> 'u')
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{
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throw new Exception();
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}
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checked
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{
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val += (uint)(Arr[cnt] * (ulong)checked(c - '!'));
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}
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cnt++;
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if (cnt == 5)
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{
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WriteDwPart(memoryStream, val, 0);
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cnt = 0;
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val = 0u;
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}
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}
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}
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if (cnt == 1)
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{
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throw new Exception();
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}
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if (cnt > 1)
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{
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for (var j = cnt; j < 5; j++)
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{
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checked
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{
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val += 84u * Arr[j];
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}
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}
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WriteDwPart(memoryStream, val, 5 - cnt);
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}
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result = memoryStream.ToArray();
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}
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return result;
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}
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// Token: 0x0600016B RID: 363 RVA: 0x00007900 File Offset: 0x00005B00
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private static void WriteDwPart(Stream dest, uint val, int ignoreLow) // dest
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{
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dest.WriteByte((byte)(val >> 24));
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if (ignoreLow == 3)
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{
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return;
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}
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dest.WriteByte((byte)(val >> 16 & 255u));
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if (ignoreLow == 2)
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{
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return;
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}
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dest.WriteByte((byte)(val >> 8 & 255u));
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if (ignoreLow == 1)
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{
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return;
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}
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dest.WriteByte((byte)(val & 255u));
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}
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// Token: 0x04000131 RID: 305
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private static readonly uint[] Arr = {
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52200625u,
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614125u,
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7225u,
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85u,
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1u
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};
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}
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}
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